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Fix bug in unload function: Check if component name protocol exist, only uninstall it when it really exists. 

Signed-off-by: Fu Siyuan <siyuan.fu@intel.com>
Reviewed-by: Tian, Feng <feng.tian@intel.com>
Reviewed-by: Jin, Eric <eric.jin@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15092 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Fu Siyuan 2014-01-10 08:24:29 +00:00 committed by sfu5
parent 9325f68430
commit 18b24f924f
6 changed files with 443 additions and 77 deletions
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83
MdeModulePkg/Universal/Network/IScsiDxe/IScsiDriver.c
View File

@ -1,7 +1,7 @@
/** @file
The entry point of IScsi driver.
Copyright (c) 2004 - 2013, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@ -443,6 +443,8 @@ EfiIScsiUnload (
UINTN DeviceHandleCount;
EFI_HANDLE *DeviceHandleBuffer;
UINTN Index;
EFI_COMPONENT_NAME_PROTOCOL *ComponentName;
EFI_COMPONENT_NAME2_PROTOCOL *ComponentName2;
//
// Try to disonnect the driver from the devices it's controlling.
@ -454,39 +456,88 @@ EfiIScsiUnload (
&DeviceHandleCount,
&DeviceHandleBuffer
);
if (!EFI_ERROR (Status)) {
for (Index = 0; Index < DeviceHandleCount; Index++) {
Status = gBS->DisconnectController (
DeviceHandleBuffer[Index],
ImageHandle,
NULL
);
if (EFI_ERROR (Status)) {
return Status;
}
if (DeviceHandleBuffer != NULL) {
FreePool (DeviceHandleBuffer);
for (Index = 0; Index < DeviceHandleCount; Index++) {
Status = IScsiTestManagedDevice (
DeviceHandleBuffer[Index],
gIScsiDriverBinding.DriverBindingHandle,
&gEfiTcp4ProtocolGuid
);
if (EFI_ERROR (Status)) {
continue;
}
Status = gBS->DisconnectController (
DeviceHandleBuffer[Index],
gIScsiDriverBinding.DriverBindingHandle,
NULL
);
if (EFI_ERROR (Status)) {
goto ON_EXIT;
}
}
//
// Unload the iSCSI configuration form.
//
IScsiConfigFormUnload (gIScsiDriverBinding.DriverBindingHandle);
Status = IScsiConfigFormUnload (gIScsiDriverBinding.DriverBindingHandle);
if (EFI_ERROR (Status)) {
goto ON_EXIT;
}
//
// Uninstall the protocols installed by iSCSI driver.
// Uninstall the ComponentName and ComponentName2 protocol from iSCSI4 driver binding handle
// if it has been installed.
//
Status = gBS->HandleProtocol (
gIScsiDriverBinding.DriverBindingHandle,
&gEfiComponentNameProtocolGuid,
(VOID **) &ComponentName
);
if (!EFI_ERROR (Status)) {
Status = gBS->UninstallMultipleProtocolInterfaces (
gIScsiDriverBinding.DriverBindingHandle,
&gEfiComponentNameProtocolGuid,
ComponentName,
NULL
);
if (EFI_ERROR (Status)) {
goto ON_EXIT;
}
}
Status = gBS->HandleProtocol (
gIScsiDriverBinding.DriverBindingHandle,
&gEfiComponentName2ProtocolGuid,
(VOID **) &ComponentName2
);
if (!EFI_ERROR (Status)) {
gBS->UninstallMultipleProtocolInterfaces (
gIScsiDriverBinding.DriverBindingHandle,
&gEfiComponentName2ProtocolGuid,
ComponentName2,
NULL
);
if (EFI_ERROR (Status)) {
goto ON_EXIT;
}
}
Status = gBS->UninstallMultipleProtocolInterfaces (
ImageHandle,
&gEfiDriverBindingProtocolGuid,
&gIScsiDriverBinding,
&gEfiComponentName2ProtocolGuid,
&gIScsiComponentName2,
&gEfiComponentNameProtocolGuid,
&gIScsiComponentName,
&gEfiIScsiInitiatorNameProtocolGuid,
&gIScsiInitiatorName,
NULL
);
ON_EXIT:
if (DeviceHandleBuffer != NULL) {
FreePool (DeviceHandleBuffer);
}
return Status;
}

69
MdeModulePkg/Universal/Network/IScsiDxe/IScsiMisc.c
View File

@ -1,7 +1,7 @@
/** @file
Miscellaneous routines for iSCSI driver.
Copyright (c) 2004 - 2013, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@ -852,3 +852,70 @@ IScsiOnExitBootService (
IScsiSessionAbort (&Private->Session);
}
/**
Tests whether a controller handle is being managed by IScsi driver.
This function tests whether the driver specified by DriverBindingHandle is
currently managing the controller specified by ControllerHandle. This test
is performed by evaluating if the the protocol specified by ProtocolGuid is
present on ControllerHandle and is was opened by DriverBindingHandle and Nic
Device handle with an attribute of EFI_OPEN_PROTOCOL_BY_DRIVER.
If ProtocolGuid is NULL, then ASSERT().
@param ControllerHandle A handle for a controller to test.
@param DriverBindingHandle Specifies the driver binding handle for the
driver.
@param ProtocolGuid Specifies the protocol that the driver specified
by DriverBindingHandle opens in its Start()
function.
@retval EFI_SUCCESS ControllerHandle is managed by the driver
specified by DriverBindingHandle.
@retval EFI_UNSUPPORTED ControllerHandle is not managed by the driver
specified by DriverBindingHandle.
**/
EFI_STATUS
EFIAPI
IScsiTestManagedDevice (
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE DriverBindingHandle,
IN EFI_GUID *ProtocolGuid
)
{
EFI_STATUS Status;
VOID *ManagedInterface;
EFI_HANDLE NicControllerHandle;
ASSERT (ProtocolGuid != NULL);
NicControllerHandle = NetLibGetNicHandle (ControllerHandle, ProtocolGuid);
if (NicControllerHandle == NULL) {
return EFI_UNSUPPORTED;
}
Status = gBS->OpenProtocol (
ControllerHandle,
(EFI_GUID *) ProtocolGuid,
&ManagedInterface,
DriverBindingHandle,
NicControllerHandle,
EFI_OPEN_PROTOCOL_BY_DRIVER
);
if (!EFI_ERROR (Status)) {
gBS->CloseProtocol (
ControllerHandle,
(EFI_GUID *) ProtocolGuid,
DriverBindingHandle,
NicControllerHandle
);
return EFI_UNSUPPORTED;
}
if (Status != EFI_ALREADY_STARTED) {
return EFI_UNSUPPORTED;
}
return EFI_SUCCESS;
}

31
MdeModulePkg/Universal/Network/IScsiDxe/IScsiMisc.h
View File

@ -1,7 +1,7 @@
/** @file
Miscellaneous definitions for iSCSI driver.
Copyright (c) 2004 - 2013, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@ -275,6 +275,35 @@ IScsiOnExitBootService (
IN VOID *Context
);
/**
Tests whether a controller handle is being managed by IScsi driver.
This function tests whether the driver specified by DriverBindingHandle is
currently managing the controller specified by ControllerHandle. This test
is performed by evaluating if the the protocol specified by ProtocolGuid is
present on ControllerHandle and is was opened by DriverBindingHandle and Nic
Device handle with an attribute of EFI_OPEN_PROTOCOL_BY_DRIVER.
If ProtocolGuid is NULL, then ASSERT().
@param ControllerHandle A handle for a controller to test.
@param DriverBindingHandle Specifies the driver binding handle for the
driver.
@param ProtocolGuid Specifies the protocol that the driver specified
by DriverBindingHandle opens in its Start()
function.
@retval EFI_SUCCESS ControllerHandle is managed by the driver
specified by DriverBindingHandle.
@retval EFI_UNSUPPORTED ControllerHandle is not managed by the driver
specified by DriverBindingHandle.
**/
EFI_STATUS
EFIAPI
IScsiTestManagedDevice (
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE DriverBindingHandle,
IN EFI_GUID *ProtocolGuid
);
#endif

154
NetworkPkg/IScsiDxe/IScsiDriver.c
View File

@ -1,7 +1,7 @@
/** @file
The entry point of IScsi driver.
Copyright (c) 2004 - 2013, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@ -1249,6 +1249,8 @@ IScsiUnload (
UINTN DeviceHandleCount;
EFI_HANDLE *DeviceHandleBuffer;
UINTN Index;
EFI_COMPONENT_NAME_PROTOCOL *ComponentName;
EFI_COMPONENT_NAME2_PROTOCOL *ComponentName2;
//
// Try to disonnect the driver from the devices it's controlling.
@ -1264,64 +1266,184 @@ IScsiUnload (
return Status;
}
//
// Disconnect the iSCSI4 driver from the controlled device.
//
for (Index = 0; Index < DeviceHandleCount; Index++) {
gBS->DisconnectController (
Status = IScsiTestManagedDevice (
DeviceHandleBuffer[Index],
gIScsiIp4DriverBinding.DriverBindingHandle,
&gEfiTcp4ProtocolGuid)
;
if (EFI_ERROR (Status)) {
continue;
}
Status = gBS->DisconnectController (
DeviceHandleBuffer[Index],
gIScsiIp4DriverBinding.DriverBindingHandle,
NULL
);
gBS->DisconnectController (
if (EFI_ERROR (Status)) {
goto ON_EXIT;
}
}
//
// Disconnect the iSCSI6 driver from the controlled device.
//
for (Index = 0; Index < DeviceHandleCount; Index++) {
Status = IScsiTestManagedDevice (
DeviceHandleBuffer[Index],
gIScsiIp6DriverBinding.DriverBindingHandle,
&gEfiTcp6ProtocolGuid
);
if (EFI_ERROR (Status)) {
continue;
}
Status = gBS->DisconnectController (
DeviceHandleBuffer[Index],
gIScsiIp6DriverBinding.DriverBindingHandle,
NULL
);
if (EFI_ERROR (Status)) {
goto ON_EXIT;
}
}
//
// Unload the iSCSI configuration form.
//
IScsiConfigFormUnload (gIScsiIp4DriverBinding.DriverBindingHandle);
Status = IScsiConfigFormUnload (gIScsiIp4DriverBinding.DriverBindingHandle);
if (EFI_ERROR (Status)) {
goto ON_EXIT;
}
//
// Uninstall the protocols installed by iSCSI driver.
//
gBS->UninstallMultipleProtocolInterfaces (
Status = gBS->UninstallMultipleProtocolInterfaces (
ImageHandle,
&gEfiAuthenticationInfoProtocolGuid,
&gIScsiAuthenticationInfo,
NULL
);
if (EFI_ERROR (Status)) {
goto ON_EXIT;
}
if (gIScsiControllerNameTable!= NULL) {
FreeUnicodeStringTable (gIScsiControllerNameTable);
Status = FreeUnicodeStringTable (gIScsiControllerNameTable);
if (EFI_ERROR (Status)) {
goto ON_EXIT;
}
gIScsiControllerNameTable = NULL;
}
//
// Uninstall the ComponentName and ComponentName2 protocol from iSCSI4 driver binding handle
// if it has been installed.
//
Status = gBS->HandleProtocol (
gIScsiIp4DriverBinding.DriverBindingHandle,
&gEfiComponentNameProtocolGuid,
(VOID **) &ComponentName
);
if (!EFI_ERROR (Status)) {
Status = gBS->UninstallMultipleProtocolInterfaces (
gIScsiIp4DriverBinding.DriverBindingHandle,
&gEfiComponentNameProtocolGuid,
ComponentName,
NULL
);
if (EFI_ERROR (Status)) {
goto ON_EXIT;
}
}
Status = gBS->HandleProtocol (
gIScsiIp4DriverBinding.DriverBindingHandle,
&gEfiComponentName2ProtocolGuid,
(VOID **) &ComponentName2
);
if (!EFI_ERROR (Status)) {
gBS->UninstallMultipleProtocolInterfaces (
gIScsiIp4DriverBinding.DriverBindingHandle,
&gEfiComponentName2ProtocolGuid,
ComponentName2,
NULL
);
if (EFI_ERROR (Status)) {
goto ON_EXIT;
}
}
//
// Uninstall the ComponentName and ComponentName2 protocol from iSCSI6 driver binding handle
// if it has been installed.
//
Status = gBS->HandleProtocol (
gIScsiIp6DriverBinding.DriverBindingHandle,
&gEfiComponentNameProtocolGuid,
(VOID **) &ComponentName
);
if (!EFI_ERROR (Status)) {
Status = gBS->UninstallMultipleProtocolInterfaces (
gIScsiIp6DriverBinding.DriverBindingHandle,
&gEfiComponentNameProtocolGuid,
ComponentName,
NULL
);
if (EFI_ERROR (Status)) {
goto ON_EXIT;
}
}
Status = gBS->HandleProtocol (
gIScsiIp6DriverBinding.DriverBindingHandle,
&gEfiComponentName2ProtocolGuid,
(VOID **) &ComponentName2
);
if (!EFI_ERROR (Status)) {
gBS->UninstallMultipleProtocolInterfaces (
gIScsiIp6DriverBinding.DriverBindingHandle,
&gEfiComponentName2ProtocolGuid,
ComponentName2,
NULL
);
if (EFI_ERROR (Status)) {
goto ON_EXIT;
}
}
//
// Uninstall the IScsiInitiatorNameProtocol and all the driver binding protocols.
//
Status = gBS->UninstallMultipleProtocolInterfaces (
gIScsiIp4DriverBinding.DriverBindingHandle,
&gEfiDriverBindingProtocolGuid,
&gIScsiIp4DriverBinding,
&gEfiComponentName2ProtocolGuid,
&gIScsiComponentName2,
&gEfiComponentNameProtocolGuid,
&gIScsiComponentName,
&gEfiIScsiInitiatorNameProtocolGuid,
&gIScsiInitiatorName,
NULL
);
if (EFI_ERROR (Status)) {
goto ON_EXIT;
}
gBS->UninstallMultipleProtocolInterfaces (
Status = gBS->UninstallMultipleProtocolInterfaces (
gIScsiIp6DriverBinding.DriverBindingHandle,
&gEfiDriverBindingProtocolGuid,
&gIScsiIp6DriverBinding,
&gEfiComponentName2ProtocolGuid,
&gIScsiComponentName2,
&gEfiComponentNameProtocolGuid,
&gIScsiComponentName,
NULL
);
return EFI_SUCCESS;
ON_EXIT:
if (DeviceHandleBuffer != NULL) {
FreePool (DeviceHandleBuffer);
}
return Status;
}
/**

69
NetworkPkg/IScsiDxe/IScsiMisc.c
View File

@ -1,7 +1,7 @@
/** @file
Miscellaneous routines for iSCSI driver.
Copyright (c) 2004 - 2013, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@ -1436,3 +1436,70 @@ IScsiOnExitBootService (
IScsiSessionAbort (Private->Session);
}
}
/**
Tests whether a controller handle is being managed by IScsi driver.
This function tests whether the driver specified by DriverBindingHandle is
currently managing the controller specified by ControllerHandle. This test
is performed by evaluating if the the protocol specified by ProtocolGuid is
present on ControllerHandle and is was opened by DriverBindingHandle and Nic
Device handle with an attribute of EFI_OPEN_PROTOCOL_BY_DRIVER.
If ProtocolGuid is NULL, then ASSERT().
@param ControllerHandle A handle for a controller to test.
@param DriverBindingHandle Specifies the driver binding handle for the
driver.
@param ProtocolGuid Specifies the protocol that the driver specified
by DriverBindingHandle opens in its Start()
function.
@retval EFI_SUCCESS ControllerHandle is managed by the driver
specified by DriverBindingHandle.
@retval EFI_UNSUPPORTED ControllerHandle is not managed by the driver
specified by DriverBindingHandle.
**/
EFI_STATUS
EFIAPI
IScsiTestManagedDevice (
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE DriverBindingHandle,
IN EFI_GUID *ProtocolGuid
)
{
EFI_STATUS Status;
VOID *ManagedInterface;
EFI_HANDLE NicControllerHandle;
ASSERT (ProtocolGuid != NULL);
NicControllerHandle = NetLibGetNicHandle (ControllerHandle, ProtocolGuid);
if (NicControllerHandle == NULL) {
return EFI_UNSUPPORTED;
}
Status = gBS->OpenProtocol (
ControllerHandle,
(EFI_GUID *) ProtocolGuid,
&ManagedInterface,
DriverBindingHandle,
NicControllerHandle,
EFI_OPEN_PROTOCOL_BY_DRIVER
);
if (!EFI_ERROR (Status)) {
gBS->CloseProtocol (
ControllerHandle,
(EFI_GUID *) ProtocolGuid,
DriverBindingHandle,
NicControllerHandle
);
return EFI_UNSUPPORTED;
}
if (Status != EFI_ALREADY_STARTED) {
return EFI_UNSUPPORTED;
}
return EFI_SUCCESS;
}

32
NetworkPkg/IScsiDxe/IScsiMisc.h
View File

@ -1,7 +1,7 @@
/** @file
Miscellaneous definitions for iSCSI driver.
Copyright (c) 2004 - 2013, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@ -357,4 +357,34 @@ IScsiOnExitBootService (
IN VOID *Context
);
/**
Tests whether a controller handle is being managed by IScsi driver.
This function tests whether the driver specified by DriverBindingHandle is
currently managing the controller specified by ControllerHandle. This test
is performed by evaluating if the the protocol specified by ProtocolGuid is
present on ControllerHandle and is was opened by DriverBindingHandle and Nic
Device handle with an attribute of EFI_OPEN_PROTOCOL_BY_DRIVER.
If ProtocolGuid is NULL, then ASSERT().
@param ControllerHandle A handle for a controller to test.
@param DriverBindingHandle Specifies the driver binding handle for the
driver.
@param ProtocolGuid Specifies the protocol that the driver specified
by DriverBindingHandle opens in its Start()
function.
@retval EFI_SUCCESS ControllerHandle is managed by the driver
specified by DriverBindingHandle.
@retval EFI_UNSUPPORTED ControllerHandle is not managed by the driver
specified by DriverBindingHandle.
**/
EFI_STATUS
EFIAPI
IScsiTestManagedDevice (
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE DriverBindingHandle,
IN EFI_GUID *ProtocolGuid
);
#endif